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    • 14. 发明申请
    • MEDICAL IMPLANT BASED ON NANOCELLULOSE
    • 基于纳米纤维素的医用植入物
    • WO2017021468A1
    • 2017-02-09
    • PCT/EP2016/068580
    • 2016-08-03
    • UNIVERSITÄTSKLINIKUM JENAJENPOLYMER MATERIALS UG & CO. KG
    • RAUCHFUSS, FalkSETTMACHER, UtzKLEMM, DieterFRIED, WolfgangRICHTER, ThomasPETZOLD-WELCKE, KatrinRUHE, Carola
    • A61L31/00A61L31/10A61L31/14
    • A61L31/10A61L31/005A61L31/146A61L2400/12A61L2420/08C08L1/00
    • Medical Implant (100), comprising - a microbial cellulose tube (1), comprising a wall (2) having an inner surface (3) and an outer surface (4), wherein the wall comprises several layers (5, 6, 7) of microbial cellulose, wherein said layers are concentric or substantially concentric to a longitudinal axis (L) of the tube, - a stent (9) which placed inside of the microbial cellulose tube (1), wherein an outer surface (10) of the stent contacts the inner surface (3) of the microbial cellulose tube (1), and method for producing such implant. The implant can be covered with newly created bile duct epithelium, thereby creating a new bile duct from body cells. The implant can be removed after completion of creation of the new bile duct. So, the implant as suitable as a temporary implant. The implant can be used for surgery, such as surgery of gall bladder, bile duct and/or liver, e.g. gall bladder removal, hepatobiliary malignancy surgery or liver transplantation. The implant can particularly be used for repairing or regeneration of bile duct. Further fields of use are the use as esophagus implant or urether implant.
    • 医疗植入物(100),包括 - 微生物纤维素管(1),其包含具有内表面(3)和外表面(4)的壁(2),其中所述壁包括多个层(5,6,7) 的微生物纤维素,其中所述层与管的纵向轴线(L)同心或基本上同心; - 放置在微生物纤维素管(1)内部的支架(9),其中, 支架与微生物纤维素管(1)的内表面(3)接触,以及用于制造这种植入物的方法。 植入物可以用新生成的胆管上皮覆盖,从而从身体细胞形成新的胆管。 在完成新胆管的创建之后,植入物可以被去除。 因此,植入物适合作为临时植入物。 植入物可用于手术,例如胆囊,胆管和/或肝脏的手术,例如手术。 胆囊清除,肝胆恶性肿瘤手术或肝移植。 该植入物可特别用于胆管的修复或再生。 其他使用领域是用作食管植入物或尿路植入物。